ΔE 10.4, fair: the same colour family, but not a straight swap. Flanker Blue is a little lighter, more muted than Blue FS 35190.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Flanker Blue is a little lighter, more muted than Blue FS 35190.
The same difference applies the other way round: Blue FS 35190 is a little darker, more saturated.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Blue FS 35190 on the colour wheel See Flanker Blue on the colour wheel
All matches: Blue FS 35190 equivalents · Flanker Blue equivalents